Experimental and numerical evaluation of low-temperature combustion of bio-syngas |
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| Affiliation: | 1. Dipartimento di Ingegneria Civile, Chimica, Ambientale e Dei Materiali, Università di Bologna, Via Terracini 28, 40131, Bologna (IT), Italy;2. Dipartimento di Ingegneria Industriale, Università di Salerno, Via Giovanni Paolo II 132, 84084, Fisciano, Salerno (IT), Italy;1. Département de Physique, FSESNV, Université Oum el Bouaghi, Algérie;2. LCMASMTF (Laboratoire de Conception et Modélisation Avancée des Systèmes Mécaniques et Thermo Fluides), Département de Génie Mécanique, FSSA, Université Oum el Bouaghi, Algérie;3. LCGE (Gaseous Fuels and Environment Laboratory), Sciences and Technology University of Oran, BP 1505 El Menaouer, Oran 31000, Algeria;1. Department of Mechanical Engineering, FSSA, University Oum el Bouaghi, Algeria;2. Department of Physics, LPEA University Batna 1, Algeria |
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| Abstract: | Environmental regulations have strongly incentivized the development of alternative technologies and renewable sources for the energy supply, including bio-syngas and low-temperature combustion. However, accurate estimation methods for low-temperature chemistry of these mixtures are still missing. Hence, experimental data with the limited impact of fluid dynamics aspects are strongly required. To this aim, the heat flux burner has been adopted in this work for the measurements of the laminar burning velocity. Data were compared to evaluate the accuracy of the kinetic mechanism developed at the University of Bologna (KIBO) and exiting mixing rules. Hirasawa's correlation has been found as the most reliable empirical correlation. Furthermore, the KIBO model has been validated and compared with existing models for the investigated conditions. These results have allowed for the evaluation of the effects of fuel composition on the preferable reaction paths and on the NOx production rate. |
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| Keywords: | Laminar burning velocity Bio-syngas Combustion Heat flux burner |
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